AS2940 datasheet(2/8 Pages) SIPEX

2 / 8 page

Rev. 10/11/00

AS2940

ABSOLUTE MAXIMUM RATINGS

Power Dissipation (Note 1) ..................... Internally Limited

Input Supply voltage...................................... -26V to +60V

Lead Temperature (Soldering, 5 seconds)..................260

°C

Operating Input Supply voltage .........................+2V to 12V

Storage Temperature Range ...................... -65

°C to +150°C

Shutdown Input Voltage ............................... -0.3V to +30V

Operating Junction Temperature Range .... -40

°C to +125°C

Error Comparator Output Voltage ................... -0.3 to +30V

TO-220

θJC ............................................................... 2 °C/W

TO-263

θJC ............................................................... 2 °C/W

ELECTRICAL CHARACTERISTICS VIN = VO + 5V, IO = 1A, CO = 22 µF, unless otherwise specified. Boldface applies

over the entire operating temperature range of the indicated device. All other specifications apply for TA = TJ = 25

°C.

Output Voltage (VO)

Units

Parameter

Conditions

Typ

AS2940

Limit

(Note 5)

AS2940

Limit

(Note 6)

6.25V < VIN < 26V

Output Voltage

5 mA < IO < 1A

5.00

4.85/4.75

5.15/5.25

4.85/4.75

5.15/5.25

Line Regulation

VO + 2V < VIN < 26V,

IO = 5 mA

40/50

Load Regulation

50 mA < IO < 1A

AS2940, AS2940/833

AS2940C

50/80

50/100

Output

Impedance

100 mADC and

20 mArms,

fO = 120 Hz

1000/1000

Ω

Quiescent

Current

VO + 2V < VIN < 26V,

IO = 5 mA

AS2940, AS2940/833

AS2940C

15/20

VIN = VO + 5V

IO = 1A

45/60

50/60

Output Noise

Voltage

10 Hz - 100 kHz,

IO = 5 mA

150

700/700

µVRMS

Ripple Rejection

fO = 120 Hz, 1 VRMS,

IO = 100 ma

AS2940

AS2940C

60/54

dBMIN

fO = 1 kHz, 1 VRMS,

IO = 5 mA

60/50

dBMIN

Long Term

Stability

mV/

1000 Hr

Dropout Voltage

IO = 1A

0.5

0.8/1.0

0.7/1.0

VMAX

IO = 100 mA

110

150/200

mVMAX

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